If a cone of height 8m has a curved surface area of 188.4 `m^2` then find the radius of its base.

If a cone of height 8m has a curved surface area of 188.4m^(2) then find the radius of its base.

A cone of height 8m has a curved surface area 188.4 square metres. Find its volume. (Take pi = 3.14 )

A cone of base radius 7cm has a curved surface area 550cm^(2) . Then its slant height is

A cone of base radius 7cm has a curved surface area 550cm^(2) .Then its slant height is

Find the curved surface area of a cone,if its slant height is 60cm and the radius of its base is 21cm.

Find the curved surface area of a cone, if its slant height is 60cm and the radius of its base is 21cm.

A solid cylinder of height 9 m has its curved surface area equal to one-third of the total surface area. What is the radius of the base?